=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Building for 9base-20100604nb2
9base build options:
CFLAGS   = -O2 -march=i586 -c -I. -DPREFIX="/usr/pkg/9base"
LDFLAGS  = -static -Wl,-R/usr/pkg/lib -static
CC       = cc
CC sec/sha1block.c
In file included from sec/sha1block.c:1:
In file included from sec/os.h:1:
./u.h:119:11: fatal error: 'pthread.h' file not found
#       include <pthread.h>
                ^
1 error generated.
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/work/sysutils/9base/work/9base-6/lib9
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/work/sysutils/9base/work/9base-6
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/sysutils/9base
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/sysutils/9base